// common/build.rs
fn main() -> Result<(), Box<dyn std::error::Error>> {
    tonic_build::configure()
        .build_server(true)
        .file_descriptor_set_path("src/proto/descriptor.bin")
        .out_dir("src/proto")
        // Derive serde for all relevant messages
        .type_attribute(
            ".komp_ac.table_validation.FieldValidation",
            "#[derive(serde::Serialize, serde::Deserialize)]",
        )
        .type_attribute(
            ".komp_ac.table_validation.CharacterLimits",
            "#[derive(serde::Serialize, serde::Deserialize)]",
        )
        .type_attribute(
            ".komp_ac.table_validation.TableValidationResponse",
            "#[derive(serde::Serialize, serde::Deserialize)]",
        )
        .type_attribute(
            ".komp_ac.table_validation.UpdateFieldValidationRequest",
            "#[derive(serde::Serialize, serde::Deserialize)]",
        )
        .type_attribute(
            ".komp_ac.table_validation.UpdateFieldValidationResponse",
            "#[derive(serde::Serialize, serde::Deserialize)]",
        )
        // Derive serde for the enum and keep legacy string values in JSON
        .type_attribute(
            ".komp_ac.table_validation.CountMode",
            "#[derive(serde::Serialize, serde::Deserialize)]",
        )
        .type_attribute(
            ".komp_ac.table_validation.CountMode",
            r#"#[serde(rename_all = "SCREAMING_SNAKE_CASE")]"#,
        )
        // Back-compat: allow old "character_limits" key to deserialize into "limits"
        .field_attribute(
            ".komp_ac.table_validation.FieldValidation.limits",
            r#"#[serde(alias = "character_limits")]"#,
        )
        // Compile all protos (same list you already have)
        .compile_protos(
            &[
                "proto/common.proto",
                "proto/adresar.proto",
                "proto/auth.proto",
                "proto/search.proto",
                "proto/search2.proto",
                "proto/table_definition.proto",
                "proto/table_script.proto",
                "proto/table_structure.proto",
                "proto/table_validation.proto",
                "proto/tables_data.proto",
                "proto/uctovnictvo.proto",
            ],
            &["proto"],
        )?;
    Ok(())
}